We have the utmost confidence that our skills and experience on these types of projects will always result in safe and efficient electrical design. William J. McGrath Electrical Contractors, Inc. is family owned and has been in business since 1961. We are a Massachusetts based, full service electrical contracting company. For over 60 years, we have been providing professional and efficient services to our customers. Our workmanship has earned us a reputation as one of the area's preferred electrical contractors.